Tension device for shuttles.



1. c. sHAMBow.- TENSION DEV|CE FOR SHUTTLES.

APPL

`ULY 7. 916- 1 ,230,525 Patented June 19, 1917.

J'OHN C. SHAMBOW, OF WOONSOCKET, BHODE ISLAND.

TEN'SION DEVICE FOR SHUTTLES.

Sp'ecfication of Letters Patent.

-Patented June 19, 1917.

Application filed July 17, 1916. Serial No. 109,706.

To aZZ whom it may concem:

Be it known that I, JOHN C. SHAMBOW, a citizen of the United States, residing at Woonsocket, in the county of Providence and State of Rhode Island, have invented.

new and useful Improvements in Tension Devices for Shuttles, of which the following is a specification.

My present invention pertains to tension devices for loom shuttles, and contemplates the provision of a simple, durable and reliable device for subjecting the filling to such tension that it is eifectually prevented from ballooning /i. e., too freely leaving or flyng out of the shuttle.

To the attainment of the foregoing the invention consists in the peculiar and advantageous tension device as hereinafter described and claimed.

In the accompanying drawings which are hereby made a part hereof:

Figure 1 is a plan view of so much of a shuttle as is necessary to show the application of my novel tension device. i

Fig. 2 is a side elevation of the same.

Fig. 3 is an elevation showing that side of the device adjacent to the spindle of the shuttle.

Fig. 4 is a view on line 4-4 of Fig. 6.

Fi 5 is a perspective of the yarn-engaging p ate.

Fig. 6 is a transverse section showing, the improved device as properly positioned in a shuttle body. v

SI `lar numerals of reference designate corresponding parts in all of the views of the draw'ings.

The shuttle body 1 is rovided with the usual channels 2 and 3 or the passage of filling 4 and m novel tension device 5 is arranged in the ody at a point between the channels 2 and 3, as clearly appears in Figs. 1, 2 and 6.

The tension device comp rises a casing 6, a?

metallic plate 7 positioned in the casing and having an upright portion designed tol rest at one side of the filling as the latter passesV v outwardly in the shuttle, and a Springpressed shoe 8, also'arranged in the casing and designed to yeldingly bear against the passing filling. As clearly shown in Fig. 4, the casing 6 is referably formed' of a strip of sheet-metal Ibent into rectangular form and with its ends arranged adjacent to each other as indicated by 9. The ends of the asing'are open (Figs. 4 and 6) and m the i of being expeditiously and easily forward side of the casing-'. e., the side remote from the spindle in the shuttle, is a slot 10, Fig. 6, which extends downwardly from the upper end of the casing as shown. It-will also be noticed by reference to Fig. 3 that in the opposite side of the'casing an Opening 11 is formed for the passage of filling; the said opening 11 being located below the upper end of casing 6, and being surmounted by a finger 12 and connected witli a curvilinear channel 13 which extends around the finger 12 to the upper end of the casing. The finger 12 serves the important purpose of holding the filling down in the openings 10 and 11. The metallic plate 7 comprises an upright portion for coperation vwith the shoe 8, and upper and lower arms that terminate in lips and are designed to maintain the upright portion in pro er working position. The said plate 7 is urther retained in position by a screw 15 which is mounted in the shuttle body and `ears against its lower lip as illustrated in As illustrated in Fig. 6, the shoe 8, which is preferably of porcelain, is rounded at the upper end of its side adjacent tothe upright portion of the plate 7 to facilitate the placing of the filling, and is backed by a sprin 16 which, in turn, is backed by a screw 17 mounted in the shuttle body; the said4 screw serving for the regulation of the spring when the same is necessary.

It will be gathered from the foregoing that my novel device is simple and inexpensive inconstruction, and is susceptible laced and Secured in shuttles of the usua construction; also, that the device is capable of subjecting the filling to the tension necessary to prevent ba1looning, and this without interfering with the proper passage of the filling from the shuttle.

Having described my .invention, what I claim and desire to secure by Letters-Patent, is.:

1. The combination of a shuttle body having spaced cha-nnels for the passage of filling and also having a recess intermediate said channels, a tension device positioned in said recss and comprismgI a casing open at its ends and having openings in its side walls for the passage `of filling and also hav-' ing a retaining finger above one of said openings, a plate arranged in said casing and having an upright portion and arms reaching from the upper and lower ends of said portion and terminating in lips that bear against walls of the recess, and a spring-baeked shoe movable in the casing and on the lowei` arm of the plate and opposed to the uprght portion of the plate, a screw mounted in the shuttle body and opposed to the Spring, and a screw also mounted in the shuttle body and bearing against the lower lip of the plate.

2. A tension device for loom shuttles, comprising a casing open at its ends and having means in its side walls for the passage of filling, a plate arranged in said casing and imones having an intermediate upright portion and arms that reach in opposite directions from the upper and lower ends of said portion and terminate in lips, and a spring-backed shoe movable in the casing and on the lower arm of the plate and opposed to the uprght portion of the plate.,

In testmony whereof I have hereunto set my hand in presence of two subscribing witnesses.

JOHN U. SHAMBOW. Wtnesses:

EDGAR L. SPAULDING, ALBERT GAULIN 

